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olga55 [171]
3 years ago
7

I NEED HELP WITH ALL PLZ PLZ

Biology
1 answer:
viva [34]3 years ago
3 0
Water freezes at 0°C, the lowest possible temp for any material is absolute zero and also most of these u can just google good luck!
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Imagine a scenario where Barr bodies are not due to random inactivation, but rather, the silencing is due to paternal imprinting
artcher [175]

Answer:

<h2>If Barr bodies are not due to random inactivation, but rather, the silencing is due to paternal imprinting  then the frequency of men and women differs. </h2>

Explanation:

Red-green color  blindness: color blindness is an X-linked recessive disorder. The male having this disease will transmit his X chromosome (with the mutation) to his daughter, who will then be a carrier of the disease.  

If Barr bodies are not due to random inactivation, but rather, the silencing is due to paternal imprinting  then the frequency of men and women differs.

Male inherit its X chromosome only from mother and no X chromosome from father, having one Y chromosome but female receive one X chromosome from father and one from mother, having no Y chromosome, So if the paternal allele is silenced then the males are no affected.

5 0
3 years ago
Which two phenomena are evidence that gravitational forces are attractive? Select two statements.
Vinvika [58]

Answer:

A. the rise and fall of the tides.

C. a dropped object always falls toward Earth.

Explanation:

Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

The two phenomena which are evidence that gravitational forces are attractive includes;

I. The rise and fall of the tides: this is caused as a result of the gravitational force of attraction exerted by the moon on earth.

II. A dropped object always falls toward Earth: this acceleration is due to the gravitational force of attraction between the Earth and the object.

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The earths surface has changed over time because of the tectonic plates.<br><br>A.​
charle [14.2K]
Yes that statement is true
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The Doppler effect suggests that sound waves are relative to the observer. You know if an object is coming or going from the sou
Westkost [7]
From the brightness of the light of course. If the brightness is increasing it means the the light source is approaching and if the brightness is decreasing it means the light source is leaving.
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Which best describes a person's carbon footprint?
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A. The amount of carbon dioxide a person releases into the atmosphere

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